List of usage examples for com.fasterxml.jackson.core JsonParser getCurrentToken
public abstract JsonToken getCurrentToken();
From source file:org.commonjava.maven.atlas.graph.jackson.ProjectRelationshipDeserializer.java
@Override public T deserialize(final JsonParser jp, final DeserializationContext ctx) throws JsonProcessingException, IOException { Map<String, Object> ast = new HashMap<String, Object>(); Map<String, JsonLocation> locations = new HashMap<String, JsonLocation>(); JsonToken token = jp.getCurrentToken(); String currentField = null;//from w w w .j a v a2 s . c o m List<String> currentArry = null; Logger logger = LoggerFactory.getLogger(getClass()); do { // logger.info( "Token: {}", token ); switch (token) { case START_ARRAY: { // logger.info( "Starting array for field: {}", currentField ); currentArry = new ArrayList<String>(); break; } case END_ARRAY: // logger.info( "Ending array for field: {}", currentField ); locations.put(currentField, jp.getCurrentLocation()); ast.put(currentField, currentArry); currentArry = null; break; case FIELD_NAME: currentField = jp.getCurrentName(); break; case VALUE_STRING: if (currentArry != null) { currentArry.add(jp.getText()); } else { locations.put(currentField, jp.getCurrentLocation()); ast.put(currentField, jp.getText()); } break; case VALUE_NUMBER_INT: locations.put(currentField, jp.getCurrentLocation()); ast.put(currentField, jp.getIntValue()); break; case VALUE_NUMBER_FLOAT: locations.put(currentField, jp.getCurrentLocation()); ast.put(currentField, jp.getFloatValue()); break; case VALUE_TRUE: locations.put(currentField, jp.getCurrentLocation()); ast.put(currentField, Boolean.TRUE); break; case VALUE_FALSE: locations.put(currentField, jp.getCurrentLocation()); ast.put(currentField, Boolean.FALSE); break; } token = jp.nextToken(); } while (token != JsonToken.END_OBJECT); StringBuilder sb = new StringBuilder(); sb.append("AST is:"); for (String field : ast.keySet()) { Object value = ast.get(field); sb.append("\n ").append(field).append(" = "); if (value == null) { sb.append("null"); } else { sb.append(value).append(" (type: ").append(value.getClass().getSimpleName()).append(")"); } } logger.debug(sb.toString()); final RelationshipType type = RelationshipType.getType((String) ast.get(RELATIONSHIP_TYPE)); final String uri = (String) ast.get(POM_LOCATION_URI); URI pomLocation; if (uri == null) { pomLocation = RelationshipUtils.POM_ROOT_URI; } else { try { pomLocation = new URI(uri); } catch (final URISyntaxException e) { throw new JsonParseException("Invalid " + POM_LOCATION_URI + ": '" + uri + "': " + e.getMessage(), locations.get(POM_LOCATION_URI), e); } } Collection<URI> sources = new HashSet<URI>(); List<String> srcs = (List<String>) ast.get(SOURCE_URIS); if (srcs != null) { for (String u : srcs) { try { sources.add(new URI(u)); } catch (URISyntaxException e) { throw new JsonParseException("Failed to parse source URI: " + u, locations.get(SOURCE_URIS)); } } } String decl = (String) ast.get(DECLARING_REF); final ProjectVersionRef declaring = SimpleProjectVersionRef.parse(decl); String tgt = (String) ast.get(TARGET_REF); Integer index = (Integer) ast.get(INDEX); if (index == null) { index = 0; } // handle null implicitly by comparing to true. boolean managed = Boolean.TRUE.equals(ast.get(MANAGED)); boolean inherited = Boolean.TRUE.equals(ast.get(INHERITED)); boolean mixin = Boolean.TRUE.equals(ast.get(MIXIN)); boolean optional = Boolean.TRUE.equals(ast.get(OPTIONAL)); ProjectRelationship<?, ?> rel = null; switch (type) { case DEPENDENCY: { final ArtifactRef target = SimpleArtifactRef.parse(tgt); String scp = (String) ast.get(SCOPE); final DependencyScope scope; if (scp == null) { scope = DependencyScope.compile; } else { scope = DependencyScope.getScope(scp); } rel = new SimpleDependencyRelationship(sources, pomLocation, declaring, target, scope, index, managed, inherited, optional); break; } case EXTENSION: { final ProjectVersionRef target = SimpleProjectVersionRef.parse(tgt); rel = new SimpleExtensionRelationship(sources, pomLocation, declaring, target, index, inherited); break; } case PARENT: { final ProjectVersionRef target = SimpleProjectVersionRef.parse(tgt); rel = new SimpleParentRelationship(sources, declaring, target); break; } case PLUGIN: { final ProjectVersionRef target = SimpleProjectVersionRef.parse(tgt); Boolean report = (Boolean) ast.get(REPORTING); rel = new SimplePluginRelationship(sources, pomLocation, declaring, target, index, managed, Boolean.TRUE.equals(report), inherited); break; } case PLUGIN_DEP: { String plug = (String) ast.get(PLUGIN_REF); if (plug == null) { throw new JsonParseException( "No plugin reference (field: " + PLUGIN_REF + ") found in plugin-dependency relationship!", jp.getCurrentLocation()); } final ProjectRef plugin = SimpleProjectRef.parse(plug); final ArtifactRef target = SimpleArtifactRef.parse(tgt); rel = new SimplePluginDependencyRelationship(sources, pomLocation, declaring, plugin, target, index, managed, inherited); break; } case BOM: { final ProjectVersionRef target = SimpleProjectVersionRef.parse(tgt); rel = new SimpleBomRelationship(sources, pomLocation, declaring, target, index, inherited, mixin); break; } } return (T) rel; }
From source file:com.bazaarvoice.jsonpps.PrettyPrintJson.java
private void copyCurrentStructure(JsonParser parser, ObjectMapper mapper, int depth, JsonGenerator generator) throws IOException { // Avoid using the mapper to parse the entire input until we absolutely must. This allows pretty // printing huge top-level arrays (that wouldn't fit in memory) containing smaller objects (that // individually do fit in memory) where the objects are printed with sorted keys. JsonToken t = parser.getCurrentToken(); if (t == null) { generator.copyCurrentStructure(parser); // Will report the error of a null token. return;//from ww w .ja va 2 s .co m } int id = t.id(); if (id == ID_FIELD_NAME) { if (depth > flatten) { generator.writeFieldName(parser.getCurrentName()); } t = parser.nextToken(); id = t.id(); } switch (id) { case ID_START_OBJECT: if (sortKeys && depth >= flatten) { // Load the entire object in memory so we can sort its keys and serialize it back out. mapper.writeValue(generator, parser.readValueAs(Map.class)); } else { // Don't load the whole object into memory. Copy it in a memory-efficient streaming fashion. if (depth >= flatten) { generator.writeStartObject(); } while (parser.nextToken() != JsonToken.END_OBJECT) { copyCurrentStructure(parser, mapper, depth + 1, generator); } if (depth >= flatten) { generator.writeEndObject(); } } break; case ID_START_ARRAY: // Don't load the whole array into memory. Copy it in a memory-efficient streaming fashion. if (depth >= flatten) { generator.writeStartArray(); } while (parser.nextToken() != JsonToken.END_ARRAY) { copyCurrentStructure(parser, mapper, depth + 1, generator); } if (depth >= flatten) { generator.writeEndArray(); } break; default: generator.copyCurrentEvent(parser); break; } }
From source file:com.basistech.rosette.dm.jackson.MorphoAnalysisListDeserializer.java
@Override public List<MorphoAnalysis> deserialize(JsonParser jp, DeserializationContext ctxt) throws IOException { if (!cached) { throw new JsonMappingException(jp, "attempt to deserialize with un-contextualized MorphoAnalysisListDeserializer"); }/* ww w .j a v a2 s. c o m*/ /* * This will be entered pointing to the array start. */ if (jp.getCurrentToken() != JsonToken.START_ARRAY) { throw ctxt.wrongTokenException(jp, JsonToken.START_ARRAY, "Expected array of items"); } JsonDeserializer<Object> currentDeserializer = castDeserializer( ctxt.getAttribute(MorphoAnalysisListDeserializer.class)); if (currentDeserializer == null) { currentDeserializer = maDeserializer; ctxt.setAttribute(MorphoAnalysisListDeserializer.class, maDeserializer); } List<MorphoAnalysis> result = Lists.newArrayList(); while (jp.nextToken() != JsonToken.END_ARRAY) { // if we just read it in as the wrong class, any leftovers will end up in extendedAttributes, and we can cope. MorphoAnalysis analysis = (MorphoAnalysis) currentDeserializer.deserialize(jp, ctxt); if (analysis.getExtendedProperties().size() != 0) { // so, we have leftovers. Note that this will not trim han and arabic down. Tough if (analysis.getExtendedProperties().containsKey("morphemes")) { KoreanMorphoAnalysis.Builder builder = new KoreanMorphoAnalysis.Builder(); copyBasic(analysis, builder); List<String> morphemes = cast(analysis.getExtendedProperties().get("morphemes")); List<String> morphemeTags = cast(analysis.getExtendedProperties().get("morphemeTags")); for (int x = 0; x < morphemes.size(); x++) { builder.addMorpheme(morphemes.get(x), morphemeTags.get(x)); } for (Map.Entry<String, Object> me : analysis.getExtendedProperties().entrySet()) { if (!"morphemes".equals(me.getKey()) && !"morphemeTags".equals(me.getKey())) { builder.extendedProperty(me.getKey(), me.getValue()); } } analysis = builder.build(); ctxt.setAttribute(MorphoAnalysisListDeserializer.class, korMaDeserializer); } else if (analysis.getExtendedProperties().containsKey("readings")) { // convert to Han. HanMorphoAnalysis.Builder builder = new HanMorphoAnalysis.Builder(); copyBasic(analysis, builder); for (String reading : cast(analysis.getExtendedProperties().get("readings"))) { builder.addReading(reading); } for (Map.Entry<String, Object> me : analysis.getExtendedProperties().entrySet()) { if (!"readings".equals(me.getKey())) { builder.extendedProperty(me.getKey(), me.getValue()); } } analysis = builder.build(); ctxt.setAttribute(MorphoAnalysisListDeserializer.class, hanMaDeserializer); } else if (anyArabicFields(analysis.getExtendedProperties().keySet())) { ArabicMorphoAnalysis.Builder builder = new ArabicMorphoAnalysis.Builder(); copyBasic(analysis, builder); Integer prefixLength = (Integer) analysis.getExtendedProperties().get("prefixLength"); Integer stemLength = (Integer) analysis.getExtendedProperties().get("stemLength"); if (prefixLength != null && stemLength != null) { builder.lengths(prefixLength, stemLength); } String root = (String) analysis.getExtendedProperties().get("root"); if (root != null) { builder.root(root); } Boolean definiteArticle = (Boolean) analysis.getExtendedProperties().get("definiteArticle"); if (definiteArticle != null) { builder.definiteArticle(definiteArticle); } Boolean strippablePrefix = (Boolean) analysis.getExtendedProperties().get("strippablePrefix"); if (strippablePrefix != null) { builder.strippablePrefix(strippablePrefix); } List<String> prefixes = cast(analysis.getExtendedProperties().get("prefixes")); if (prefixes != null) { List<String> prefixTags = cast(analysis.getExtendedProperties().get("prefixTags")); for (int x = 0; x < prefixes.size(); x++) { builder.addPrefix(prefixes.get(x), prefixTags.get(x)); } } List<String> stems = cast(analysis.getExtendedProperties().get("stems")); if (stems != null) { List<String> stemTags = cast(analysis.getExtendedProperties().get("stemTags")); for (int x = 0; x < stems.size(); x++) { builder.addStem(stems.get(x), stemTags.get(x)); } } List<String> suffixes = cast(analysis.getExtendedProperties().get("suffixes")); if (suffixes != null) { List<String> suffixTags = cast(analysis.getExtendedProperties().get("suffixTags")); for (int x = 0; x < suffixes.size(); x++) { builder.addSuffix(suffixes.get(x), suffixTags.get(x)); } } for (Map.Entry<String, Object> me : analysis.getExtendedProperties().entrySet()) { if (!ARABIC_FIELDS.contains(me.getKey())) { builder.extendedProperty(me.getKey(), me.getValue()); } } analysis = builder.build(); ctxt.setAttribute(MorphoAnalysisListDeserializer.class, arMaDeserializer); } } result.add(analysis); } return ImmutableList.copyOf(result); }
From source file:com.concentricsky.android.khanacademy.data.remote.LibraryUpdaterTask.java
private ChildArrayResults parseChildArray(JsonParser parser, SQLiteDatabase tempDb, String parentTopic_id) throws JsonParseException, IOException { ChildArrayResults result = new ChildArrayResults(); int seq = 0;//from www . ja v a 2s.com JsonToken currentToken = parser.getCurrentToken(); if (currentToken == JsonToken.START_ARRAY) { while (parser.nextValue() == JsonToken.START_OBJECT) { // Otherwise, we will be at END_ARRAY here. ContentValues values = parseObject(parser, tempDb, parentTopic_id, seq++); if (values != null && values.containsKey("kind")) { String kind = values.getAsString("kind"); if ("Topic".equals(kind) && values.containsKey("_id")) { result.childKind = kind; result.childIds.add(values.getAsString("_id")); result.videoCount += values.getAsInteger("video_count"); if (result.thumbId == null && values.containsKey("thumb_id")) { // Return the first available thumb id as this topic's thumb id. result.thumbId = values.getAsString("thumb_id"); } } else if ("Video".equals(kind) && values.containsKey("readable_id")) { result.childKind = kind; result.childIds.add(values.getAsString("readable_id")); result.videoCount += 1; if (result.thumbId == null && values.containsKey("pngurl")) { // Return youtube_id of first video with a thumbnail as this topic's thumbnail id. result.thumbId = values.getAsString("youtube_id"); } } } } } return result; }
From source file:org.helm.notation2.wsadapter.MonomerWSLoader.java
/** * Private routine to deserialize a JSON containing attachment data. This is * done manually to give more freedom regarding data returned by the * webservice.// w ww. j a v a 2 s .c om * * @param parser the JSONParser containing JSONData. * @param attachmentDB the attachments stored in the Toolkit * @return List containing attachments * * @throws JsonParseException * @throws IOException */ private List<Attachment> deserializeAttachmentList(JsonParser parser, Map<String, Attachment> attachmentDB) throws JsonParseException, IOException { List<Attachment> attachments = new ArrayList<Attachment>(); Attachment currentAttachment = null; while (!JsonToken.END_ARRAY.equals(parser.nextToken())) { String fieldName = parser.getCurrentName(); JsonToken token = parser.getCurrentToken(); if (JsonToken.START_OBJECT.equals(token)) { currentAttachment = new Attachment(); } else if (JsonToken.END_OBJECT.equals(token)) { currentAttachment.setCapGroupSMILES( attachmentDB.get(currentAttachment.getAlternateId()).getCapGroupSMILES()); attachments.add(currentAttachment); } if (fieldName != null) { switch (fieldName) { case "id": parser.nextToken(); currentAttachment.setId(Integer.parseInt(parser.getText())); break; case "alternateId": parser.nextToken(); currentAttachment.setAlternateId(parser.getText()); break; case "label": parser.nextToken(); currentAttachment.setLabel(parser.getText()); break; case "capGroupName": parser.nextToken(); currentAttachment.setCapGroupName(parser.getText()); break; case "capGroupSMILES": parser.nextToken(); currentAttachment.setCapGroupSMILES(parser.getText()); break; default: break; } } } return attachments; }
From source file:org.helm.notation2.wsadapter.MonomerWSLoader.java
/** * Private routine to deserialize monomer Store JSON. This is done manually to * give more freedom regarding data returned by the webservice. * * @param parser the JSONParser containing JSONData. * @param attachmentDB the attachments stored in the Toolkit * @return Map containing monomers/* w ww . j av a2 s . c o m*/ * * @throws JsonParseException * @throws IOException * @throws EncoderException */ private Map<String, Monomer> deserializeMonomerStore(JsonParser parser, Map<String, Attachment> attachmentDB) throws JsonParseException, IOException, EncoderException { Map<String, Monomer> monomers = new HashMap<String, Monomer>(); Monomer currentMonomer = null; parser.nextToken(); while (parser.hasCurrentToken()) { String fieldName = parser.getCurrentName(); JsonToken token = parser.getCurrentToken(); if (JsonToken.START_OBJECT.equals(token)) { currentMonomer = new Monomer(); } else if (JsonToken.END_OBJECT.equals(token)) { monomers.put(currentMonomer.getAlternateId(), currentMonomer); } if (fieldName != null) { switch (fieldName) { // id is first field case "id": parser.nextToken(); currentMonomer.setId(Integer.parseInt(parser.getText())); break; case "alternateId": parser.nextToken(); currentMonomer.setAlternateId(parser.getText()); break; case "naturalAnalog": parser.nextToken(); currentMonomer.setNaturalAnalog(parser.getText()); break; case "name": parser.nextToken(); currentMonomer.setName(parser.getText()); break; case "canSMILES": parser.nextToken(); currentMonomer.setCanSMILES(parser.getText()); break; case "molfile": parser.nextToken(); currentMonomer.setMolfile(MolfileEncoder.decode(parser.getText())); break; case "monomerType": parser.nextToken(); currentMonomer.setMonomerType(parser.getText()); break; case "polymerType": parser.nextToken(); currentMonomer.setPolymerType(parser.getText()); break; case "attachmentList": currentMonomer.setAttachmentList(deserializeAttachmentList(parser, attachmentDB)); break; case "newMonomer": parser.nextToken(); currentMonomer.setNewMonomer(Boolean.parseBoolean(parser.getText())); break; case "adHocMonomer": parser.nextToken(); currentMonomer.setAdHocMonomer(Boolean.parseBoolean(parser.getText())); break; default: break; } } parser.nextToken(); } return monomers; }
From source file:com.github.shyiko.jackson.module.advice.AdvisedBeanDeserializer.java
/** * Main deserialization method for bean-based objects (POJOs). * <p/>// w w w . j a va 2 s .c om * NOTE: was declared 'final' in 2.2; should NOT be to let extensions * like Afterburner change definition. */ @Override public Object deserialize(JsonParser jp, DeserializationContext ctxt) throws IOException { JsonToken t = jp.getCurrentToken(); // common case first: if (t == JsonToken.START_OBJECT) { if (_vanillaProcessing) { return vanillaDeserialize(jp, ctxt, jp.nextToken()); } jp.nextToken(); if (_objectIdReader != null) { return deserializeWithObjectId(jp, ctxt); } return deserializeFromObject(jp, ctxt); } return _deserializeOther(jp, ctxt, t); }
From source file:com.adobe.communities.ugc.migration.importer.ImportFileUploadServlet.java
/** * Handle each of the importable types of ugc content * @param jsonParser - the parsing stream * @param resource - the parent resource of whatever it is we're importing (must already exist) * @throws ServletException//from ww w . j av a2 s .c o m * @throws IOException */ private void importFile(final JsonParser jsonParser, final Resource resource, final ResourceResolver resolver) throws ServletException, IOException { final UGCImportHelper importHelper = new UGCImportHelper(); JsonToken token1 = jsonParser.getCurrentToken(); if (token1.equals(JsonToken.START_OBJECT)) { jsonParser.nextToken(); if (jsonParser.getCurrentName().equals(ContentTypeDefinitions.LABEL_CONTENT_TYPE)) { jsonParser.nextToken(); final String contentType = jsonParser.getValueAsString(); if (contentType.equals(ContentTypeDefinitions.LABEL_QNA_FORUM)) { importHelper.setQnaForumOperations(qnaForumOperations); } else if (contentType.equals(ContentTypeDefinitions.LABEL_FORUM)) { importHelper.setForumOperations(forumOperations); } else if (contentType.equals(ContentTypeDefinitions.LABEL_COMMENTS)) { importHelper.setCommentOperations(commentOperations); } else if (contentType.equals(ContentTypeDefinitions.LABEL_CALENDAR)) { importHelper.setCalendarOperations(calendarOperations); } else if (contentType.equals(ContentTypeDefinitions.LABEL_JOURNAL)) { importHelper.setJournalOperations(journalOperations); } else if (contentType.equals(ContentTypeDefinitions.LABEL_TALLY)) { importHelper.setSocialUtils(socialUtils); } importHelper.setTallyService(tallyOperationsService); // (everything potentially needs tally) jsonParser.nextToken(); // content if (jsonParser.getCurrentName().equals(ContentTypeDefinitions.LABEL_CONTENT)) { jsonParser.nextToken(); token1 = jsonParser.getCurrentToken(); if (token1.equals(JsonToken.START_OBJECT) || token1.equals(JsonToken.START_ARRAY)) { if (!resolver.isLive()) { throw new ServletException("Resolver is already closed"); } } else { throw new ServletException("Start object token not found for content"); } if (token1.equals(JsonToken.START_OBJECT)) { try { if (contentType.equals(ContentTypeDefinitions.LABEL_QNA_FORUM)) { importHelper.importQnaContent(jsonParser, resource, resolver); } else if (contentType.equals(ContentTypeDefinitions.LABEL_FORUM)) { importHelper.importForumContent(jsonParser, resource, resolver); } else if (contentType.equals(ContentTypeDefinitions.LABEL_COMMENTS)) { importHelper.importCommentsContent(jsonParser, resource, resolver); } else if (contentType.equals(ContentTypeDefinitions.LABEL_JOURNAL)) { importHelper.importJournalContent(jsonParser, resource, resolver); } else { LOG.info("Unsupported content type: {}", contentType); jsonParser.skipChildren(); } jsonParser.nextToken(); } catch (final IOException e) { throw new ServletException(e); } jsonParser.nextToken(); // skip over END_OBJECT } else { try { if (contentType.equals(ContentTypeDefinitions.LABEL_CALENDAR)) { importHelper.importCalendarContent(jsonParser, resource); } else if (contentType.equals(ContentTypeDefinitions.LABEL_TALLY)) { importHelper.importTallyContent(jsonParser, resource); } else { LOG.info("Unsupported content type: {}", contentType); jsonParser.skipChildren(); } jsonParser.nextToken(); } catch (final IOException e) { throw new ServletException(e); } jsonParser.nextToken(); // skip over END_ARRAY } } else { throw new ServletException("Content not found"); } } else { throw new ServletException("No content type specified"); } } else { throw new ServletException("Invalid Json format"); } }
From source file:com.microsoft.azure.storage.table.TableStorageErrorDeserializer.java
/** * Gets the Extended Error information./*from w ww . ja v a 2 s .co m*/ * * @return the Extended Error information. * * @param reader * the input stream to read error details from. * @param format * The {@link TablePayloadFormat} to use for parsing * @throws IOException * if an error occurs while accessing the stream with Json. * @throws JsonParseException * if an error occurs while parsing the stream. */ public static StorageExtendedErrorInformation getExtendedErrorInformation(final Reader reader, final TablePayloadFormat format) throws JsonParseException, IOException { JsonFactory jsonFactory = new JsonFactory(); JsonParser parser = jsonFactory.createParser(reader); try { final StorageExtendedErrorInformation errorInfo = new StorageExtendedErrorInformation(); if (!parser.hasCurrentToken()) { parser.nextToken(); } JsonUtilities.assertIsStartObjectJsonToken(parser); parser.nextToken(); JsonUtilities.assertIsFieldNameJsonToken(parser); JsonUtilities.assertIsExpectedFieldName(parser, "odata.error"); // start getting extended error information parser.nextToken(); JsonUtilities.assertIsStartObjectJsonToken(parser); // get code parser.nextValue(); JsonUtilities.assertIsExpectedFieldName(parser, TableConstants.ErrorConstants.ERROR_CODE); errorInfo.setErrorCode(parser.getValueAsString()); // get message parser.nextToken(); JsonUtilities.assertIsFieldNameJsonToken(parser); JsonUtilities.assertIsExpectedFieldName(parser, TableConstants.ErrorConstants.ERROR_MESSAGE); parser.nextToken(); JsonUtilities.assertIsStartObjectJsonToken(parser); parser.nextValue(); JsonUtilities.assertIsExpectedFieldName(parser, "lang"); parser.nextValue(); JsonUtilities.assertIsExpectedFieldName(parser, "value"); errorInfo.setErrorMessage(parser.getValueAsString()); parser.nextToken(); JsonUtilities.assertIsEndObjectJsonToken(parser); parser.nextToken(); // get innererror if it exists if (parser.getCurrentToken() == JsonToken.FIELD_NAME) { JsonUtilities.assertIsExpectedFieldName(parser, TableConstants.ErrorConstants.INNER_ERROR); errorInfo.getAdditionalDetails().putAll(parseJsonErrorException(parser)); parser.nextToken(); } // end code object JsonUtilities.assertIsEndObjectJsonToken(parser); // end odata.error object parser.nextToken(); JsonUtilities.assertIsEndObjectJsonToken(parser); return errorInfo; } finally { parser.close(); } }
From source file:net.floodlightcontroller.cli.commands.ShowSwitchCmd.java
/** * Parses a JSON string and decomposes all JSON arrays and objects. Stores the * resulting strings in a nested Map of string objects. * //from w ww.j a va2s . co m * @param jsonString */ @SuppressWarnings("unchecked") private List<Map<String, Object>> parseJson(String jsonString) throws IOException { /* The Jackson JSON parser. */ JsonParser jp; /* The Jackson JSON factory. */ JsonFactory f = new JsonFactory(); /* The Jackson object mapper. */ ObjectMapper mapper = new ObjectMapper(); /* A list of JSON data objects retrieved by using the REST API. */ List<Map<String, Object>> jsonData = new ArrayList<Map<String, Object>>(); try { jp = f.createJsonParser(jsonString); } catch (JsonParseException e) { throw new IOException(e); } // Move to the first object in the array. jp.nextToken(); if (jp.getCurrentToken() != JsonToken.START_ARRAY) { throw new IOException("Expected START_ARRAY instead of " + jp.getCurrentToken()); } // Retrieve the information from JSON while (jp.nextToken() == JsonToken.START_OBJECT) { jsonData.add(mapper.readValue(jp, Map.class)); } // Close the JSON parser. jp.close(); // Return. return jsonData; }